Prendeville, J.: Explanatory catalogue of the proof-impressions of the antique gems possessed by the late Prince Poniatowski and now in the possession of John Tyrrell, Esq. (1841): 742
Comments: Sold by HARTLEY BROWN LLC (NY). https://the-maac.com/shop/antique-jewelry/intaglio-pendant-from-the-collection-of-prince-stanislas-poniatowski/